Solved

Find the Exact Solution to the Equation Without a Calculator $\cos ^ { - 1 } ( \cos x ) = \frac { 1 } { 4 }$

Question 3

Multiple Choice

Find the exact solution to the equation without a calculator.
- $\cos ^ { - 1 } ( \cos x ) = \frac { 1 } { 4 }$

A) $\frac { 1 } { 4 }$
B) $\frac { 1 } { 8 }$
C) 4
D) 0

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